BMW 5 Series (2015) is 46 mm (1.81 inch) higher, 380 kg (838 lbs) lighter and has 70 liters (2.47 ft3) bigger cargo space than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 188 mm (7.40 inch) longer and 13 mm (0.51 inch) wider than BMW 5 Series (2015).